title: Cycloadditions of 2-azaallyllithium species with conjugated polyenes.
mesh_terms: D001372:Aza Compounds / Q000737:chemistry; D003042:Cocaine / Q000031:analogs & derivatives*; D003500:Cyclization; D006572:Heterocyclic Compounds, Bridged-Ring / Q000138:chemical synthesis*; D008094:Lithium / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D009942:Organometallic Compounds / Q000737:chemistry*; D011090:Polyenes / Q000737:chemistry*
chemical_list: D001372:Aza Compounds; D006572:Heterocyclic Compounds, Bridged-Ring; D009942:Organometallic Compounds; D011090:Polyenes; D008094:Lithium; D003042:Cocaine